Finding the Third Proportional to 21,687.75 and 45,334.69

Step by Step Solution

1. Step 1: Write the proportion equation
   21,687.75 : 45,334.69 = 45,334.69 : x
2. Step 2: Convert to fraction form
   21,687.75/45,334.69 = 45,334.69/x
3. Step 3: Cross multiply
   21,687.75x = 45,334.69 × 45,334.69
4. Step 4: Simplify right side
   21,687.75x = 2,055,233,890.72
5. Step 5: Solve for x
   x = 2,055,233,890.72/21,687.75
6. Step 6: Final answer
   x = 94,764.74